condition	mean	min	max
0 h after light	22.03105	21.6592	22.4029
4 h after light	26.10585	23.8411	28.3706
8 h after light	15.31345	14.9169	15.71
4 h after dark	19.4683	17.864	21.0726
8 h after dark	26.32775	25.4963	27.1592
12 h after dark	18.1787	17.8732	18.4842